martin luther king jr. as millions of people attempted to tweet their thoughts about the president's address. twitter stopped working for many. there are reports that problems occurred for many people using google chrome and fox. people using apps for iphones and i pads were okay. twitter acknowledged the problem on a status blog at around 2:00 and said engineers are working to address any issues. >>> as ktvu's patti lee reports real estate boom times may be on their way back. >> reporter: karen soon of san francisco house hunts with her realtor worried she missed her window of opportunity. >> we waited so long to buy but now it's kind of discourages because the prices are going up. >> reporter: zilo says home values are up 15% over the past year in part because supply is limited. >> it's not of the norm now to have to go over officers because in a lot of situations there's multiple people bidding. >> reporter: 12% of san francisco homeowners are still under water but hoping to stop threading soon. >> we've